@article{JRAM_1992__428_153428,
     author = {Jian-Shu Li},
     title = {Non-vanishing theorems for the cohomology of certain arithmetic quotients.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {177--217},
     publisher = {mathdoc},
     volume = {428},
     year = {1992},
     zbl = {0749.11032},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1992__428_153428/}
}